BOOL disk_quotas(const char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize) { uid_t euser_id; int ret; struct dqblk D; #if defined(SUNOS5) struct quotctl command; int file; static struct mnttab mnt; static pstring name; pstring devopt; #else /* SunOS4 */ struct mntent *mnt; static pstring name; #endif FILE *fd; SMB_STRUCT_STAT sbuf; SMB_DEV_T devno ; static SMB_DEV_T devno_cached = 0 ; static int found ; euser_id = geteuid(); if ( sys_stat(path,&sbuf) == -1 ) return(False) ; devno = sbuf.st_dev ; DEBUG(5,("disk_quotas: looking for path \"%s\" devno=%x\n", path,(unsigned int)devno)); if ( devno != devno_cached ) { devno_cached = devno ; #if defined(SUNOS5) if ((fd = sys_fopen(MNTTAB, "r")) == NULL) return(False) ; found = False ; slprintf(devopt, sizeof(devopt) - 1, "dev=%x", (unsigned int)devno); while (getmntent(fd, &mnt) == 0) { if( !hasmntopt(&mnt, devopt) ) continue; DEBUG(5,("disk_quotas: testing \"%s\" %s\n", mnt.mnt_mountp,devopt)); /* quotas are only on vxfs, UFS or NFS */ if ( strcmp( mnt.mnt_fstype, MNTTYPE_UFS ) == 0 || strcmp( mnt.mnt_fstype, "nfs" ) == 0 || strcmp( mnt.mnt_fstype, "vxfs" ) == 0 ) { found = True ; break; } } pstrcpy(name,mnt.mnt_mountp) ; pstrcat(name,"/quotas") ; fclose(fd) ; #else /* SunOS4 */ if ((fd = setmntent(MOUNTED, "r")) == NULL) return(False) ; found = False ; while ((mnt = getmntent(fd)) != NULL) { if ( sys_stat(mnt->mnt_dir,&sbuf) == -1 ) continue ; DEBUG(5,("disk_quotas: testing \"%s\" devno=%x\n", mnt->mnt_dir,(unsigned int)sbuf.st_dev)); if (sbuf.st_dev == devno) { found = True ; break; } } pstrcpy(name,mnt->mnt_fsname) ; endmntent(fd) ; #endif } if ( ! found ) return(False) ; save_re_uid(); set_effective_uid(0); #if defined(SUNOS5) if ( strcmp( mnt.mnt_fstype, "nfs" ) == 0) { BOOL retval; DEBUG(5,("disk_quotas: looking for mountpath (NFS) \"%s\"\n", mnt.mnt_special)); retval = nfs_quotas(mnt.mnt_special, euser_id, bsize, dfree, dsize); restore_re_uid(); return retval; } DEBUG(5,("disk_quotas: looking for quotas file \"%s\"\n", name)); if((file=sys_open(name, O_RDONLY,0))<0) { restore_re_uid(); return(False); } command.op = Q_GETQUOTA; command.uid = euser_id; command.addr = (caddr_t) &D; ret = ioctl(file, Q_QUOTACTL, &command); close(file); #else DEBUG(5,("disk_quotas: trying quotactl on device \"%s\"\n", name)); ret = quotactl(Q_GETQUOTA, name, euser_id, &D); #endif restore_re_uid(); if (ret < 0) { DEBUG(5,("disk_quotas ioctl (Solaris) failed. Error = %s\n", strerror(errno) )); #if defined(SUNOS5) && defined(VXFS_QUOTA) /* If normal quotactl() fails, try vxfs private calls */ set_effective_uid(euser_id); DEBUG(5,("disk_quotas: mount type \"%s\"\n", mnt.mnt_fstype)); if ( 0 == strcmp ( mnt.mnt_fstype, "vxfs" )) { BOOL retval; retval = disk_quotas_vxfs(name, path, bsize, dfree, dsize); return(retval); } #else return(False); #endif } /* If softlimit is zero, set it equal to hardlimit. */ if (D.dqb_bsoftlimit==0) D.dqb_bsoftlimit = D.dqb_bhardlimit; /* Use softlimit to determine disk space. A user exceeding the quota is told * that there's no space left. Writes might actually work for a bit if the * hardlimit is set higher than softlimit. Effectively the disk becomes * made of rubber latex and begins to expand to accommodate the user :-) */ if (D.dqb_bsoftlimit==0) return(False); *bsize = DEV_BSIZE; *dsize = D.dqb_bsoftlimit; if (D.dqb_curblocks > D.dqb_bsoftlimit) { *dfree = 0; *dsize = D.dqb_curblocks; } else *dfree = D.dqb_bsoftlimit - D.dqb_curblocks; DEBUG(5,("disk_quotas for path \"%s\" returning bsize %.0f, dfree %.0f, dsize %.0f\n", path,(double)*bsize,(double)*dfree,(double)*dsize)); return(True); }
BOOL disk_quotas(const char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize) { int r; struct dqblk D; uid_t euser_id; #if !defined(__FreeBSD__) && !defined(AIX) && !defined(__OpenBSD__) char dev_disk[256]; SMB_STRUCT_STAT S; /* find the block device file */ #ifdef HPUX /* Need to set the cache flag to 1 for HPUX. Seems * to have a significant performance boost when * lstat calls on /dev access this function. */ if ((sys_stat(path, &S)<0) || (devnm(S_IFBLK, S.st_dev, dev_disk, 256, 1)<0)) #else if ((sys_stat(path, &S)<0) || (devnm(S_IFBLK, S.st_dev, dev_disk, 256, 0)<0)) return (False); #endif /* ifdef HPUX */ #endif /* !defined(__FreeBSD__) && !defined(AIX) && !defined(__OpenBSD__) */ euser_id = geteuid(); #ifdef HPUX /* for HPUX, real uid must be same as euid to execute quotactl for euid */ save_re_uid(); if (set_re_uid() != 0) return False; r=quotactl(Q_GETQUOTA, dev_disk, euser_id, &D); restore_re_uid(); #else #if defined(__FreeBSD__) || defined(__OpenBSD__) { /* FreeBSD patches from Marty Moll <*****@*****.**> */ gid_t egrp_id; #if defined(__FreeBSD__) SMB_DEV_T devno; struct statfs *mnts; SMB_STRUCT_STAT st; int mntsize, i; if (sys_stat(path,&st) < 0) return False; devno = st.st_dev; mntsize = getmntinfo(&mnts,MNT_NOWAIT); if (mntsize <= 0) return False; for (i = 0; i < mntsize; i++) { if (sys_stat(mnts[i].f_mntonname,&st) < 0) return False; if (st.st_dev == devno) break; } if (i == mntsize) return False; #endif save_re_uid(); set_effective_uid(0); #if defined(__FreeBSD__) if (strcmp(mnts[i].f_fstypename,"nfs") == 0) { BOOL retval; retval = nfs_quotas(mnts[i].f_mntfromname,euser_id,bsize,dfree,dsize); restore_re_uid(); return retval; } #endif egrp_id = getegid(); r= quotactl(path,QCMD(Q_GETQUOTA,USRQUOTA),euser_id,(char *) &D); /* As FreeBSD has group quotas, if getting the user quota fails, try getting the group instead. */ if (r) { r= quotactl(path,QCMD(Q_GETQUOTA,GRPQUOTA),egrp_id,(char *) &D); } restore_re_uid(); } #elif defined(AIX) /* AIX has both USER and GROUP quotas: Get the USER quota ([email protected]) */ save_re_uid(); if (set_re_uid() != 0) return False; r= quotactl(path,QCMD(Q_GETQUOTA,USRQUOTA),euser_id,(char *) &D); restore_re_uid(); #else /* !__FreeBSD__ && !AIX && !__OpenBSD__ */ r=quotactl(Q_GETQUOTA, dev_disk, euser_id, &D); #endif /* !__FreeBSD__ && !AIX && !__OpenBSD__ */ #endif /* HPUX */ /* Use softlimit to determine disk space, except when it has been exceeded */ #if defined(__FreeBSD__) || defined(__OpenBSD__) *bsize = DEV_BSIZE; #else /* !__FreeBSD__ && !__OpenBSD__ */ *bsize = 1024; #endif /*!__FreeBSD__ && !__OpenBSD__ */ if (r) { if (errno == EDQUOT) { *dfree =0; *dsize =D.dqb_curblocks; return (True); } else return(False); } /* If softlimit is zero, set it equal to hardlimit. */ if (D.dqb_bsoftlimit==0) D.dqb_bsoftlimit = D.dqb_bhardlimit; if (D.dqb_bsoftlimit==0) return(False); /* Use softlimit to determine disk space, except when it has been exceeded */ if ((D.dqb_curblocks>D.dqb_bsoftlimit) #if !defined(__FreeBSD__) && !defined(__OpenBSD__) ||((D.dqb_curfiles>D.dqb_fsoftlimit) && (D.dqb_fsoftlimit != 0)) #endif ) { *dfree = 0; *dsize = D.dqb_curblocks; } else { *dfree = D.dqb_bsoftlimit - D.dqb_curblocks; *dsize = D.dqb_bsoftlimit; } return (True); }